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Questions in biology
📝 Answered - Which level of body organization is shown by protozoans? a) organ level b) tissue level c) protoplasmic level d) cellular level
📝 Answered - Which connective tissue structure surrounds individual muscle fibers? A) Perimysium. B) Endomysium. C) Epimysium. D) Fascia.
📝 Answered - Which of the following enzymes joins DNA strands such as Okazaki fragments, forming covalent bonds between adjacent nucleotides? A) DNA polymerase B) RNA polymerase C) DNA ligase D) DNA gyrase
📝 Answered - Cell walls of bacteria contain: A. N-acetyl glucosamine B. Muramic acid C. Diaminopimelic acid D. All of the above
📝 Answered - According to the cell theory, which structure contains cells? A. blood B. water C. carbon dioxide D. chromosome
📝 Answered - How does the arrangement of thick and thin filaments contribute to muscle contraction? A. Thin filaments elongate to accommodate muscle contraction. B. The sliding of thin filaments past thick filaments shortens the sarcomere. C. Thick filaments pull apart from each other during contraction. D. Thick and thin filaments contract simultaneously, pulling muscle fibers together.
📝 Answered - A group of three nucleotides is called a(n) A) Codon B) Anticodon C) Exon D) Intron
📝 Answered - How many Great Indian Bustards are left in the world now?
📝 Answered - Which part of the muscle does the term 'insertion' refer to? A. The end that moves during muscle contraction. B. The tendon attaching muscle to bone. C. The end that remains stationary during contraction. D. The muscle belly itself.
📝 Answered - The _____ is the base of the brainstem. A. thalamus B. medulla C. cerebellum D. reticular formation
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